Namadugu, Muntaka Bashir Jibril, Abdul Iguda Iguda, Mansur Muhammad Zubair, and A. I. Kiri. “Quasi Central Product of Groups As a Generalization of Certain Product of Groups : Quasi Central Product of Groups”. Journal of the Nigerian Mathematical Society 42, no. 3 (December 8, 2023): 203 – 214. Accessed May 20, 2024. https://ojs.ictp.it/jnms/index.php/jnms/article/view/980.